package com.security.controller;

import com.security.common.code.ValidateCodeGenerator;
import com.security.common.code.ValidateCodeProcessor;
import com.security.common.code.ValidateCodeProcessorHolder;
import com.security.common.code.image.ImageCode;
import com.security.common.code.sms.ValidateCode;
import jdk.nashorn.internal.objects.annotations.Getter;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.ServletRequestUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.request.ServletWebRequest;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Random;

/**
 * @Author: TongRui乀
 * @Date: 2020/3/21 14:03
 * @description：
 */
@Slf4j
@RestController
public class ValidateCodeController {


    @Autowired
    private ValidateCodeProcessorHolder validateCodeProcessorHolder;

    /*@GetMapping("verification/image")
    public void imageCode(@PathVariable String type, HttpServletRequest request, HttpServletResponse response) throws IOException {

        this.validateCodeProcessorHolder.findValidateCodeProcessor("image").create(new ServletWebRequest(request, response));

    }
*/

    @GetMapping("verification/{type}")
    public void imageCode(@PathVariable String type, HttpServletRequest request, HttpServletResponse response) throws IOException {

        System.out.println("test" + type);

        this.validateCodeProcessorHolder.findValidateCodeProcessor(type).create(new ServletWebRequest(request, response));

    }


    public ValidateCode generate(ServletWebRequest request) {
        int width = ServletRequestUtils.getIntParameter(request.getRequest(), "width",
                80);
        int height = ServletRequestUtils.getIntParameter(request.getRequest(), "height",
                20);
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

        Graphics g = image.getGraphics();

        Random random = new Random();

        g.setColor(getRandColor(200, 250));
        g.fillRect(0, 0, width, height);
        g.setFont(new Font("Times New Roman", Font.ITALIC, 20));
        g.setColor(getRandColor(160, 200));
        for (int i = 0; i < 155; i++) {
            int x = random.nextInt(width);
            int y = random.nextInt(height);
            int xl = random.nextInt(12);
            int yl = random.nextInt(12);
            g.drawLine(x, y, x + xl, y + yl);
        }

        String sRand = "";
        for (int i = 0; i < 4; i++) {
            String rand = String.valueOf(random.nextInt(10));
            sRand += rand;
            g.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
            g.drawString(rand, 13 * i + 6, 16);
        }

        g.dispose();

        return new ImageCode(image, sRand, 60);
    }

    /**
     * 生成随机背景条纹
     *
     * @param fc
     * @param bc
     * @return
     */
    private Color getRandColor(int fc, int bc) {
        Random random = new Random();
        if (fc > 255) {
            fc = 255;
        }
        if (bc > 255) {
            bc = 255;
        }
        int r = fc + random.nextInt(bc - fc);
        int g = fc + random.nextInt(bc - fc);
        int b = fc + random.nextInt(bc - fc);
        return new Color(r, g, b);
    }
}
